Q1 The angle between two equal vector’s is
- a) `90^{0}`
- b) `0^{0}`
- c) `40^{0}`
- d) `180^{0}`
- (b) `0^{0}`
Q2 A force of 4 newton makes an angle 30 with X-axis. Find X and Y component of the force.
- a) 4/3 N,4N
- b) 5/3N,5N
- c) `2\sqrt{3N}`
- d) d)3N,2N
- `2\sqrt{3N}`
Q3 Dot Product of two perpendicular vectors is:
- ( a) 1
- (b) 0
- (c) 90
- (d) ∞
- (b) 0
Q4 The vectors A and B are such that their sum is equal to their difference. The angle between these two vectors will be
- a) `90^{0}`
- b) `0^{0}`
- c) `40^{0}`
- d) `180^{0}`
- a) `90^{0}`
Q5 Can a vector vary with time (T/F)
- a) True
- b) False
- a) True
Q6 The magnitude of vector is always a vector (T/F)
- a) True
- b) False
- b) False
Q7 Dot Product of two Parallel Vectors A & B is
- a) AB
- b) 0
- c) 1
- d) -AB
- a) AB
Q8 The rain falling vertically downward with the velocity of 3km/hr. A person moves on a straight road with the velocity of 4 km/hr then the relative velocity of rain w.r.t. person is
- a) 1 km/hr
- b) 5 km/hr
- c) 4 km/hr
- d) 3km/hr
- b) 5 km/hr
Q9. Dot product of unit vector i and unit vector j is
- a) 0
- b) 1
- c) 90
- d) -1
- a) 0
Q10 Dot Product of Force And Displacement Vectors is
- (a) Work
- (b) Power
- (c) Acceleration
- (d) Velocity
- (a) Work
